common sense

(noun) sound practical judgment. Synonyms: common sense, good sense, gumption, horse sense, sense, mother wit. Examples: "Common sense is not so common." "He hasn't got the sense god gave little green apples." "Fortunately she had the good sense to run away."

(adj) exhibiting native good judgment. Synonyms: commonsense, commonsensible, commonsensical. Examples: "Arrive home at a reasonable hour." "Commonsense scholarship on the foibles of a genius." "Unlearned and commonsensical countryfolk were capable of solving problems that beset the more sophisticated."